Home / 131,887.68-181,904.57-113,522.04

Finding the Fourth Proportional to 131,887.68, 181,904.57 and 113,522.04

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Solution

The fourth proportional to 131,887.68, 181,904.57 and 113,522.04 is: 156,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,887.68 : 181,904.57 = 113,522.04 : x
  2. Step 2: Convert to fraction form
    131,887.68/181,904.57 = 113,522.04/x
  3. Step 3: Cross multiply
    131,887.68x = 181,904.57 × 113,522.04
  4. Step 4: Simplify right side
    131,887.68x = 20,650,177,729.82
  5. Step 5: Solve for x
    x = 20,650,177,729.82/131,887.68
  6. Step 6: Final answer
    x = 156,573.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.